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Finding the Third Proportional to 2,186,172,342 and 4,720,701,378

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Solution

The third proportional to 2,186,172,342 and 4,720,701,378 is: 10,193,625,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,172,342 : 4,720,701,378 = 4,720,701,378 : x
  2. Step 2: Convert to fraction form
    2,186,172,342/4,720,701,378 = 4,720,701,378/x
  3. Step 3: Cross multiply
    2,186,172,342x = 4,720,701,378 × 4,720,701,378
  4. Step 4: Simplify right side
    2,186,172,342x = 22,285,021,500,251,099,136
  5. Step 5: Solve for x
    x = 22,285,021,500,251,099,136/2,186,172,342
  6. Step 6: Final answer
    x = 10,193,625,210.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.